Waste plastics and plant straw can produce wood-plastic composite sheet 

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chenchen12495
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Joined: 8/9/2016
Topic  Waste plastics and plant straw can produce wood-plastic composite sheet       Flag »  Reply »

At present, foreign wood-plastic composite materials have been added additives research, such as to improve the intensity of the coupling agent, lubricants, light stabilizers, antibacterial agents, water-absorbing agent, chemical blowing agent. The development of these ancillary products has attracted the attention of many scientists, and has made some progress. The United States has patented reports, in the wood-plastic composite materials can be added to the dye has a lasting anti-fading ability, and has been the advent of color wood-plastic composites. Studies have also shown that alkyl quaternary ammonium salts such as carboxylates, sulfates, etc., can make wood-plastic composites have antibacterial properties. These studies will further expand the application of wood-plastic composites.

Recently, the surface radiation treatment of wood flour technology has become a new research focus. C060 gamma radiation source, with a variety of additives to deal with wood, get better grafting effect and polymer load. Gamma ray irradiation of jute fiber, and then jute and methyl methacrylate (MMA) grafting, can significantly increase the intensity of jute. The wood-plastic composites treated by maleic anhydride-impregnated wood treated with Gamma-ray irradiation significantly reduced the water absorption, greatly improved the dimensional stability, and greatly enhanced the compressive strength and hardness. Wood-plastic composite materials processing aids and the development of new processing means, is to make wood-plastic composite materials to high-end products into the signal.

The effects of compatibilizer dosage, chain extender, PE type and compatibilizer on the structure and properties of the blends were investigated by using low-temperature solid-state heating technology. The low-temperature solid-phase extrusion and high temperature rapid reaction extrusion . Which reduces the hydrolysis and thermal degradation of the blend during the extrusion process. The polyolefin cross-linked structure forms a multi-network structure and limits the recrystallization of the polymer during the extrusion process. At the melting point of the polymer, the glass transition temperature above extrusion, close to the melting point of the polymer extrusion, significant energy savings.

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  Thursday, March 2, 2017 at 8:24:46 PM
watchesbiz
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Joined: 3/21/2021
Reply  Re: Waste plastics and plant straw can produce wood-plastic composite sheet Flag »  Reply »
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  Sunday, August 14, 2022 at 9:53:03 PM

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